Finding the Fourth Proportional to 470,508,045.30, 705,762,067.95 and 449,344,883.70
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Solution
The fourth proportional to 470,508,045.30, 705,762,067.95 and 449,344,883.70 is: 674,017,325.55
Step by Step Solution
- Step 1: Write the proportion equation
470,508,045.30 : 705,762,067.95 = 449,344,883.70 : x - Step 2: Convert to fraction form
470,508,045.30/705,762,067.95 = 449,344,883.70/x - Step 3: Cross multiply
470,508,045.30x = 705,762,067.95 × 449,344,883.70 - Step 4: Simplify right side
470,508,045.30x = 317,130,574,342,864,256 - Step 5: Solve for x
x = 317,130,574,342,864,256/470,508,045.30 - Step 6: Final answer
x = 674,017,325.55
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.